Home / 2,918,496.80-4,377,130.80-1,235,655.20

Finding the Fourth Proportional to 2,918,496.80, 4,377,130.80 and 1,235,655.20

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Solution

The fourth proportional to 2,918,496.80, 4,377,130.80 and 1,235,655.20 is: 1,853,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,496.80 : 4,377,130.80 = 1,235,655.20 : x
  2. Step 2: Convert to fraction form
    2,918,496.80/4,377,130.80 = 1,235,655.20/x
  3. Step 3: Cross multiply
    2,918,496.80x = 4,377,130.80 × 1,235,655.20
  4. Step 4: Simplify right side
    2,918,496.80x = 5,408,624,434,100.16
  5. Step 5: Solve for x
    x = 5,408,624,434,100.16/2,918,496.80
  6. Step 6: Final answer
    x = 1,853,222.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.